[ardour-users] adour using over 80% CPU when doing nothing

[Jan Depner]

My first question would be what card is on what interrupt.

Jan

On Sun, 2004-12-05 at 15:45, Ben Edwards wrote:
> OK - here goes
> 
> It is when I put jamin into the aquation that I start getting lots of
> XRUNS so I guess I shuold reallly take this to the jamin list.
> 
> Yes there are lots of XRUNS
> 
> I am running on a P4 1.7Ghz with 750MB memory.  It is a Ubuntu/Debian system.
> 
> Linux red 2.6.7-1-686 #1 Fri Aug 13 05:58:22 UTC 2004 i686 GNU/Linux
> 
> I am running:
> jackd 0.99.16
> ardour 0.9beta19 (Ardour/GTK 0.529.3 running with libardour 0.827.4)
> jamin 0.9.16
> Qt: 3.2.3
> qjackctl: 0.2.13
> 
> lspci gives:
> 0000:00:00.0 Host bridge: Intel Corp. 82845 845 (Brookdale) Chipset
> Host Bridge (rev 03)
> 0000:00:01.0 PCI bridge: Intel Corp. 82845 845 (Brookdale) Chipset AGP
> Bridge (rev 03)
> 0000:00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB/EB/ER Hub interface
> to PCI Bridge (rev 12)
> 0000:00:1f.0 ISA bridge: Intel Corp. 82801BA ISA Bridge (LPC) (rev 12)
> 0000:00:1f.1 IDE interface: Intel Corp. 82801BA IDE U100 (rev 12)
> 0000:00:1f.2 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #1) (rev 12)
> 0000:00:1f.3 SMBus: Intel Corp. 82801BA/BAM SMBus (rev 12)
> 0000:00:1f.4 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #2) (rev 12)
> 0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801BA/BAM
> AC'97 Audio (rev 12)
> 0000:01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400
> AGP (rev 04)
> 0000:02:03.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL-8139/8139C/8139C+ (rev 10)
> 
> lsmod gives:
> Module                  Size  Used by
> mga                   110244  2
> proc_intf               3808  0
> freq_table              4228  0
> cpufreq_userspace       5272  0
> cpufreq_powersave       1728  0
> button                  6296  0
> ac                      4812  0
> battery                 9388  0
> ipv6                  247904  15
> af_packet              21896  2
> 8139too                25568  0
> 8139cp                 20256  0
> mii                     5056  2 8139too,8139cp
> crc32                   4288  2 8139too,8139cp
> snd_intel8x0           35468  3
> snd_ac97_codec         67844  1 snd_intel8x0
> snd_pcm_oss            52968  0
> snd_mixer_oss          19456  3 snd_pcm_oss
> snd_pcm                95140  2 snd_intel8x0,snd_pcm_oss
> snd_timer              24900  1 snd_pcm
> snd_page_alloc         11432  2 snd_intel8x0,snd_pcm
> snd_mpu401_uart         7776  1 snd_intel8x0
> snd_rawmidi            24704  1 snd_mpu401_uart
> snd_seq_device          8040  1 snd_rawmidi
> snd                    54852  11
> snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
> soundcore              10112  3 snd
> uhci_hcd               31792  0
> usbcore               111488  3 uhci_hcd
> jedec_probe            14688  0
> gen_probe               3744  1 jedec_probe
> mtdcore                 7492  0
> chipreg                 3332  1 jedec_probe
> shpchp                 99724  0
> pciehp                 96684  0
> pci_hotplug            33680  2 shpchp,pciehp
> intel_agp              19228  1
> agpgart                33064  2 intel_agp
> analog                 11680  0
> gameport                4608  2 snd_intel8x0,analog
> floppy                 59156  0
> pcspkr                  3592  0
> rtc                    12536  0
> md                     48456  0
> dm_mod                 43104  0
> capability              4520  0
> commoncap               7072  1 capability
> loop                   16008  0
> parport_pc             34368  1
> lp                     10724  0
> parport                40712  2 parport_pc,lp
> tsdev                   7200  0
> ide_cd                 42276  0
> cdrom                  39008  1 ide_cd
> evdev                   9408  0
> mousedev               10188  1
> psmouse                19720  0
> ext3                  123784  1
> jbd                    60504  1 ext3
> mbcache                 9092  1 ext3
> ide_disk               18752  3
> ide_generic             1408  0
> piix                   13088  1
> ide_core              138872  4 ide_cd,ide_disk,ide_generic,piix
> unix                   28016  906
> fan                     3980  0
> thermal                12688  0
> processor              17296  1 thermal
> font                    8352  0
> vesafb                  6560  0
> cfbcopyarea             3712  1 vesafb
> cfbimgblt               3072  1 vesafb
> cfbfillrect             3616  1 vesafb
> 
> 
> 
> On Sat, 4 Dec 2004 18:34:57 -0500 (EST), Jesse Chappell <jesse at essej.net> wrote:
> > On Sat, 4 Dec 2004, Ben Edwards wrote:
> > 
> > > When I start ardour at the top is cays 'Buffer p: 87% c: 100%' and
> > > when I record is sounds juttery when I play back.  I am using
> > > 0.9beta19.
> > >
> > > Any idea why?
> > 
> > Those Buffer %s refer to the filling of the diskstream buffers,
> > *not* cpu.  No problems there.  However, the jittery sound could
> > be related to xrun issues.  You will need to provide all the
> > information about your system as possible, including kernel
> > version, distribution, jackd options (period size, etc), sound
> > card, cpu, ram, etc.
> > 
> > jlc
> > 
> > 
>